Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Rafał Cygan"'
Autor:
Rafał Cygan, Łukasz Rakoczy
Publikováno v:
Materials, Vol 16, Iss 16, p 5588 (2023)
In this work, three melt-pouring temperatures (1450 °C, 1480 °C, 1520 °C) and CoAl2O4 inoculant contents in the shell mold’s primary coating (0 wt%, 5 wt%, and 10 wt%) were selected to study microstructural and mechanical property changes of the
Externí odkaz:
https://doaj.org/article/2a970731865241ca9ae7cd7cfb3cb60e
Autor:
Maciej Walędziak, Anna Lasek, Michał Wysocki, Michael Su, Maciej Bobowicz, Piotr Myśliwiec, Kamil Astapczyk, Mateusz Burdzel, Karolina Chruściel, Rafał Cygan, Wojciech Czubek, Natalia Dowgiałło-Wnukiewicz, Jakub Droś, Paula Franczak, Wacław Hołówko, Artur Kacprzyk, Wojciech Konrad Karcz, Jakub Kenig, Paweł Konrad, Arkadiusz Kopiejć, Adam Kot, Karolina Krakowska, Maciej Kukla, Agnieszka Leszko, Leszek Łozowski, Piotr Major, Wojciech Makarewicz, Paulina Malinowska-Torbicz, Maciej Matyja, Maciej Michalik, Adam Niekurzak, Damian Nowiński, Radomir Ostaszewski, Małgorzata Pabis, Małgorzata Polańska-Płachta, Mateusz Rubinkiewicz, Tomasz Stefura, Anna Stępień, Paweł Szabat, Rafał Śmiechowski, Sebastian Tomaszewski, Viktor von Ehrlich-Treuenstätt, Maciej Wasilczuk, Mateusz Wierdak, Anna Wojdyła, Jan Wojciech Wroński, Leszek Zwolakiewicz, Michał Pędziwiatr
Publikováno v:
Scientific Reports, Vol 9, Iss 1, Pp 1-9 (2019)
Abstract Laparoscopic appendectomy (LA) for treatment of acute appendicitis has gained acceptance with its considerable benefits over open appendectomy. LA, however, can involve some adverse outcomes: morbidity, prolonged length of hospital stay (LOS
Externí odkaz:
https://doaj.org/article/e19e3362a47a4617901cc6db34e773ae
Autor:
Małgorzata Grudzień-Rakoczy, Łukasz Rakoczy, Rafał Cygan, Konrad Chrzan, Ondrej Milkovič, Zenon Pirowski
Publikováno v:
Materials, Vol 15, Iss 9, p 3296 (2022)
The as-cast microstructure, alloying element segregation, solidification behavior, and thermal stability of model superalloys based on Inconel 740 with various Al/Ti ratios (0.7, 1.5, 3.4) and Ta (2.0, 3.0, 4.0 wt%) concentrations were investigated v
Externí odkaz:
https://doaj.org/article/94726e5c900848f2942d90e7a29a20af
Autor:
Łukasz Rakoczy, Bogdan Rutkowski, Małgorzata Grudzień-Rakoczy, Rafał Cygan, Wiktoria Ratuszek, Anna Zielińska-Lipiec
Publikováno v:
Materials, Vol 13, Iss 19, p 4452 (2020)
The microstructure of a René 108 Ni-based superalloy was systematically investigated by X-ray diffraction, light microscopy, energy-dispersive X-ray spectroscopy, and electron microscopy techniques. The material was investment cast in a vacuum and t
Externí odkaz:
https://doaj.org/article/2454dff72b8944f5a9d0ce97c4aaed68
Autor:
Łukasz Rakoczy, Ondrej Milkovič, Bogdan Rutkowski, Rafał Cygan, Małgorzata Grudzień-Rakoczy, František Kromka, Anna Zielińska-Lipiec
Publikováno v:
Materials, Vol 13, Iss 10, p 2397 (2020)
In situ X-ray diffraction and transmission electron microscopy has been used to investigate René 108 Ni-based superalloy after short-term annealing at high-homologous temperatures. Current work is focused on characterisation of γ′ precipitates, t
Externí odkaz:
https://doaj.org/article/f962bd788ed844b8bf58990eb40bc3eb
Autor:
Małgorzata Grudzień-Rakoczy, Łukasz Rakoczy, Rafał Cygan, František Kromka, Zenon Pirowski, Ondrej Milkovič
Publikováno v:
Materials, Vol 13, Iss 10, p 2362 (2020)
The chemical composition of standard Inconel 740 superalloy was modified by changes in the Al/Ti ratio (0.7, 1.5, 3.4) and addition of Ta (2.0, 3.0, 4.0%). Remelted Inconel 740 (A0) and nine variants with various chemical compositions were fabricated
Externí odkaz:
https://doaj.org/article/3b003182c7cc46209517a84f352881ed
Autor:
Andrzej Burghardt, Dariusz Szybicki, Piotr Gierlak, Krzysztof Kurc, Paulina Pietruś, Rafał Cygan
Publikováno v:
Applied Sciences, Vol 10, Iss 2, p 486 (2020)
The article presents a method of programming robots using virtual reality and digital twins. The virtual environment is a digital twin of a robotic station, built based on CAD models of existing station elements. The virtual reality system is used to
Externí odkaz:
https://doaj.org/article/a4065c36ed4a4df0acc5dafd1179e189
Autor:
Dariusz Szeliga, Maciej Motyka, Waldemar Ziaja, Rafał Cygan, Sylwester Fuglewicz, Magdalena Gromada
Publikováno v:
JOM. 75:2034-2044
The solidification process of IN713C Ni-based superalloy rod castings made by the investment casting method without and with the use of novel insulating module applied on the ceramic mold was studied in this article. The design of the cone-shaped ins
Publikováno v:
Ceramics International. 48:25621-25627
Autor:
Łukasz Rakoczy, Małgorzata Grudzień-Rakoczy, Bogdan Rutkowski, Rafał Cygan, Fabian Hanning, Grzegorz Cios, Stefan Habisch, Joel Andersson, Peter Mayr, Anna Zielińska-Lipiec
This work presents the influence of microstructural constituents on liquation crack formation in the cast Ni-based superalloy, René 108. The investigation was divided into three parts: characterisation of the material's microstructure in pre-weld co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d48ca328fb46a624bfa5f3faf22e641
https://mediatum.ub.tum.de/1706858
https://mediatum.ub.tum.de/1706858